An Introduction to BotanyLongman, 1839 - 594 páginas |
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Página 23
... radicle of Rhizophora Candelaria . It there consists of large , very long , transparent tubes , lying imbedded in fine brownish granular matter , which is minute cellular tissue ( fig . 7. ) fig . 7 . Usually it has no markings upon its ...
... radicle of Rhizophora Candelaria . It there consists of large , very long , transparent tubes , lying imbedded in fine brownish granular matter , which is minute cellular tissue ( fig . 7. ) fig . 7 . Usually it has no markings upon its ...
Página 216
... radicle of the future embryo : it having been ascertained by many observ- ations that the radicle of the embryo is almost always pointed to the foramen . A partial exception to this law exists , how- ever , in Euphorbiaceæ , in many of ...
... radicle of the future embryo : it having been ascertained by many observ- ations that the radicle of the embryo is almost always pointed to the foramen . A partial exception to this law exists , how- ever , in Euphorbiaceæ , in many of ...
Página 242
... radicle . 175. The same , disentangled from the pericarp , and be- come a young plant . 176. A section of the seed of Sterculia , with the embryo inverted in the midst of albumen . 177. The embryo of Pinus , taken out of the seed , to ...
... radicle . 175. The same , disentangled from the pericarp , and be- come a young plant . 176. A section of the seed of Sterculia , with the embryo inverted in the midst of albumen . 177. The embryo of Pinus , taken out of the seed , to ...
Página 246
... radicle of the embryo : to his macropodal form of which he referred the embryo of such plants . Instances of this are found in Nym- phæa and its allies , and also in Zingiberaceæ , Peppers , and Saururus . Brown , who first ascertained ...
... radicle of the embryo : to his macropodal form of which he referred the embryo of such plants . Instances of this are found in Nym- phæa and its allies , and also in Zingiberaceæ , Peppers , and Saururus . Brown , who first ascertained ...
Página 247
... radicle of the embryo ; the position of which is , therefore , to be determined without dis- section of the seed , by an inspection of the micropyle , —often a practical convenience . In some seeds , as the Asparagus , Commelina , and ...
... radicle of the embryo ; the position of which is , therefore , to be determined without dis- section of the seed , by an inspection of the micropyle , —often a practical convenience . In some seeds , as the Asparagus , Commelina , and ...
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Palavras e frases frequentes
Adolphe Brongniart albumen anther apex appears axis bark base become body botanists Botany bracts branches buds bundles called calyx Cand Candolle carbonic acid carpels cause cavity cells cellular tissue centre chalaza character cloth colour common consists containing corolla cotyledons cyclosis developement dicotyledons direction disk Dutrochet Edition embryo epidermis exist extremity fibres filament fleshy flowers fluid foramen fruit glands grains green growing hairs hilum inches integument kind latex layers leaf leaflets leaves light Linnæus lobes Loudon margin matter medullary rays membrane Mirbel monocotyledons nature nitrogen nucleus observed organs ovarium ovary ovule oxygen parenchyma pericarp petals petiole pistil pith placenta plants Plate plumula pollen pollen tube produced quantity radicle Raphides remarked roots round seeds separate side species specimens spiral vessels stamens stem stigma stomates structure substance surface term terminating tion tree tubes vascular vegetable veins wood woody tissue yellow